The invention discloses a pig feed stirring mechanism. The pig feed stirring mechanism comprises a circular cover plate, wherein a plurality of mounting holes are formed in the cover plate, a butting column is arranged at the center of the shaft of the cover plate, a driving rod is connected to the butting column in an inserting manner, the driving rod penetrates through the butting column, a connecting column is arranged at one end of the driving rod, a covering cap is arranged on the connecting column, a stirring drum is arranged at the other end of the driving rod, and a stirring groove is formed in the external surface of the stirring drum. According to the pig feed stirring mechanism disclosed by the invention, the stirring mechanism can be mounted at the position of a stirring tank, the cover plate covers the top of the stirring tank, and a driving motor is in butting with the driving rod, so that the driving rod can be driven, the driving rod can conveniently perform rotary control on the stirring drum, and the purpose of stirring and treating a pig feed is realized.